Chapter 1 Introduction

Chapter 2 The Penaeus Shrimp as an Experimental Marine Animal for Neurobiological Study

Chapter 3 Morphological Studies on the Myelin Sheath of Nerve Fibers

Chapter 4 Biochemical Studies on Myelin of the Nervous System

Chapter 5 Myelin Sheath with a New Type of Fine Structure Found in the Nervous System of Penaeus Shrimp, an Invertebrate

Chapter 6 Two Unique Structures Discovered in the Myelinated Fibers of the Penaeus Shrimp

Chapter 7 Studies on Impulse Conduction of Nerve Fibers

Chapter 8 Saltatory Conduction Found in the Nervous System of Two Model Invertebrates, the Shrimp ( Penaeus ) and the Earthworm ( Lumbricus terrestris )

Chapter 10 Three Mechanisms or Strategies for Increasing Conduction Velocity of Nerve Fibers

Chapter 11 Ultrahigh Conduction Velocity Found in the Medial Giant Fibers of Penaeus chinensis and Penaeus japonicus

Chapter 12 Remarks on the Evolution of Myelin Sheath, Glial Cells, Nodal Structure, and Conduction Function of Nerve Fibers